RFR: 8032909: XSLT string-length returns incorrect length when string includes complementary chars

huizhe wang huizhe.wang at oracle.com
Thu Feb 20 18:44:29 UTC 2014

Hi Aleksej,

The change looks good. It's good to consolidate test cases into a single 
test for each encoding.


On 2/20/2014 6:54 AM, Aleksej Efimov wrote:
> Hi,
> There is a problem in XSLT string-length function:
> When string passed to this function contains complementary chars the 
> current implementation of XPath treates this sequence as two 
> characters (the string-length returns 2). But according to the w3 spec 
> it should be treated as a single XPath character [1].
> Please, review the proposed fix for this problem [2]. It replaces the 
> 'length' call in xslt compiler with a call to 'codePointCount'. Also 
> new regression test was added.
> To verify the fix following tests were executed:
> 1. JCK test sets: api/xsl api/xinclude api/javax_xml api/org_xml 
> xml_schema
> 2. Regression tests from 'jdk_other' testset (includes added 
> regression test)
> Thanks in advance,
> Aleksej
> [1] http://www.w3.org/TR/xpath/#strings
> [2] http://cr.openjdk.java.net/~aefimov/8032909/webrev.00

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